Video: Room For One More?

The Fox network makes its move into prime time

Once upon a time, when television was young, there was a network known as DuMont. It was the home of Jackie Gleason and Bishop Fulton J. Sheen, and it broadcast the famous Army-McCarthy hearings in their entirety in 1954. But in 1955 it went out of business, and ever since, TV visionaries have dreamed of creating another commercial network to challenge the Big Three. A few half- hearted attempts have been made, but none have succeeded.

Enter Fox. That three-letter nickname may one day be as familiar to TV viewers as ABC, CBS and NBC. Right now it is short for...